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Drug interactions

Oxcarbazepine + Vinblastine

Severity: Minor

Oxcarbazepine and Vinblastine: minor interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Oxcarbazepine is a weak inducer of CYP3A4 and could modestly lower vinblastine exposure. The clinical effect is uncertain and probably small.

What this interaction means in plain words

Oxcarbazepine and Vinblastine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Oxcarbazepine belongs to Central Nervous System; Vinblastine belongs to Oncology.

Evidence level: Low

Why it happens

Weak CYP3A4 induction by oxcarbazepine metabolites may increase vinblastine metabolism.

What to do

No routine adjustment is needed; watch for reduced response to chemotherapy if oxcarbazepine is started or stopped during treatment.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Oxcarbazepine with Vinblastine?

MediHelp rates the interaction as minor. Oxcarbazepine and Vinblastine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Oxcarbazepine is a weak inducer of CYP3A4 and could modestly lower vinblastine exposure. The clinical effect is uncertain and probably small.

How serious is the interaction between Oxcarbazepine and Vinblastine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed; watch for reduced response to chemotherapy if oxcarbazepine is started or stopped during treatment.

What other medicines interact with Oxcarbazepine?

MediHelp also lists interactions of Oxcarbazepine with, for example, Cabotegravir, Rilpivirine, Artemether / lumefantrine. The full list is on the Oxcarbazepine page.

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